Home / 7,787.40-10,746.54-4,802.04

Finding the Fourth Proportional to 7,787.40, 10,746.54 and 4,802.04

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Solution

The fourth proportional to 7,787.40, 10,746.54 and 4,802.04 is: 6,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.40 : 10,746.54 = 4,802.04 : x
  2. Step 2: Convert to fraction form
    7,787.40/10,746.54 = 4,802.04/x
  3. Step 3: Cross multiply
    7,787.40x = 10,746.54 × 4,802.04
  4. Step 4: Simplify right side
    7,787.40x = 51,605,314.94
  5. Step 5: Solve for x
    x = 51,605,314.94/7,787.40
  6. Step 6: Final answer
    x = 6,626.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.